Anatomy Flashcards

1
Q

What is Negative feedback?

A

Most prominent on body

Decrease in function in response to stimulant

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2
Q

What is positive feedback?

A

Increase in function in response to stimuli

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3
Q

Mitrochondria?

A

Produced ATP, by cellular respiration

Contains DNA

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4
Q

Nucleus?

A

Control center of a cell

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5
Q

What are the 5 distinct Layers of cells?

A
Stratum Basale
Stratum Spinosum
Stratum Granulosum
stratum Lucindum
Stratum Corneum
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6
Q

D: Stratum Basale

A

Single layer and deepest
Capable of cell division
Contains Merkel cell

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7
Q

D: Stratum Spinosum

A

8-10 layers of cells

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8
Q

D: Stratum Granulosum

A

3-5 layers

Develops keratin

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9
Q

D: Stratum Lucindum

A

3-5 layers of DEAD cells

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10
Q

D: Stratum Corneum

A

25-30 layers of dead cells
Sheds

Initial barrier to: light, heat, bacteria & chemicals

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11
Q

3 buffers in body?

A

Lungs
Blood
Body

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12
Q

K+ Concentration number?

A

3.5 - 5.0 mmol/L

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13
Q

Na+ concentration number?

A

135-145 mmol/L

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14
Q

pH of the body?

A

7.35 - 7.45

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15
Q

Define mitosis?

A

Somatic cell production

Divides into 2 identical daughter cells.

“Diploid”

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16
Q

4 phases of Mitosis?

A

Prophase
Metaphase
Anaphase
Telophase

–PMAT–

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17
Q

Glycogenesis?

A

Creation of storage of glycogen

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18
Q

Glycogenolysis?

A

Breakdown of glycogen to release sugar into blood.

19
Q

Gluconeogenesis?

A

Creation of glucose from new sources (amino acids)

20
Q

Synarthrosis joint?

A

Immovable Joint

Teeth
Anchor points

21
Q

Amphiarthrosis Joint?

A

Slightly moveable

Between radius and ulna

22
Q

Diarthrosis joint?

A

Freely moveable
Hip
Knee

23
Q

Neuroglia?

A

Support
Clean
Protect cells

24
Q

Endocrine?

A

Secreates directly into blood stream

25
Exocrine?
Secretes directly into organ/duct
26
3 cells responsible for Olfaction?
Receptors Supporting cells Basal stem cells ( can reproduce)
27
Distraction Injury?
Force that increases length of body part OR Separate 1 body part from the other.
28
Children being hit by a car sustain what injuries?
Head Chest Abdo Long bones
29
Cerebrum?
Largest part of brain **Higher level of thought**
30
Cerebellum
Superior to brain stem Second biggest part Fine motor control here Alcohol effects this
31
Diencephalon?
Has thalamus and hypothalamus
32
Where do sensory and corticospinal tracts cross?
Medulla oblongata
33
Hypothalamus?
Regulator of homeostasis Emotions controlled here.
34
How much CSF in adult?
80-120ml Created @ 20ml\hr
35
PAD?
Pia Arachnoid Dura
36
Epidural bleeds happen where?
Outside dura layer
37
Subdural bleeds happen where?
Under dura
38
Vague response is responsible for?
Vagal maneuvers Heart rate Blood pressure
39
2 Axons that carry painful sensation?
Myelinated - pricky pain (injection, Cut) Unmylenated - slow “burning/aching” pain
40
2 main receptors in eye?
RODS : black and white shades CONES: green, red, blue
41
Iris?
Regulates light entering pupil
42
Retina?
Receives light and converts to | Nervous impulses sent to brain.
43
Cornea?
Contains anterior chamber Filled with aqueous humor
44
3 phases of GAS?
General adaptation syndrome Alarm Resistance Exhaustion